Fixed lighting

internal/maps/desert.go

@@ -10,8 +10,20 @@ import (
 
 func CreateDesert(screenWidth, screenHeight float64) *Map {
 	m := NewMap("desert", 2, "Desert", screenWidth, screenHeight)
-	m.BackgroundColor = color.NRGBA{R: 15, G: 20, B: 40, A: 255} // Dark blue night sky
-	m.TimeOfDay = Nighttime
+	m.BackgroundColor = color.NRGBA{R: 15, G: 20, B: 40, A: 255}
+	m.Lighting = LightConfig{
+		AmbientBrightness: 0.1,
+		Sources: []LightSource{
+			{
+				X:              screenWidth - 80,
+				Y:              80,
+				Radius:         450,
+				Color:          color.RGBA{R: 200, G: 220, B: 255, A: 255},
+				Intensity:      0.5,
+				ShadowDarkness: 0.7,
+			},
+		},
+	}
 
 	// ground surface
 	m.World.AddSurface(&world.Surface{

internal/maps/map.go

@@ -8,12 +8,18 @@ import (
 	"github.com/hajimehoshi/ebiten/v2"
 )
 
-type TimeOfDay string
+type LightSource struct {
+	X, Y           float64
+	Radius         float64
+	Color          color.RGBA
+	Intensity      float64
+	ShadowDarkness float64
+}
 
-const (
-	Daytime   TimeOfDay = "day"
-	Nighttime TimeOfDay = "night"
-)
+type LightConfig struct {
+	AmbientBrightness float64
+	Sources           []LightSource
+}
 
 type Map struct {
 	ID              string
@@ -24,7 +30,7 @@ type Map struct {
 	World           *world.World
 	Portals         []*portal.Portal
 	BackgroundColor color.NRGBA
-	TimeOfDay       TimeOfDay // Day or Night tag
+	Lighting        LightConfig
 
 	bakedImage *ebiten.Image
 }
@@ -39,7 +45,10 @@ func NewMap(id string, number int, displayName string, width, height float64) *M
 		World:           world.NewWorld(),
 		Portals:         make([]*portal.Portal, 0),
 		BackgroundColor: color.NRGBA{R: 135, G: 206, B: 235, A: 255},
-		TimeOfDay:       Daytime, // Default to daytime
+		Lighting: LightConfig{
+			AmbientBrightness: 1.0,
+			Sources:           []LightSource{},
+		},
 	}
 }
 

internal/maps/plains.go

@@ -11,7 +11,19 @@ import (
 func CreatePlains(screenWidth, screenHeight float64) *Map {
 	m := NewMap("plains", 1, "Plains", screenWidth, screenHeight)
 	m.BackgroundColor = color.NRGBA{R: 135, G: 206, B: 235, A: 255}
-	m.TimeOfDay = Daytime
+	m.Lighting = LightConfig{
+		AmbientBrightness: 0.3,
+		Sources: []LightSource{
+			{
+				X:              screenWidth - 80,
+				Y:              80,
+				Radius:         600,
+				Color:          color.RGBA{R: 255, G: 250, B: 220, A: 255},
+				Intensity:      0.7,
+				ShadowDarkness: 0.5,
+			},
+		},
+	}
 
 	// ground surface
 	groundColor := color.NRGBA{R: 34, G: 139, B: 34, A: 255}